Chair/stool back



FIG. 1 is a perspective view of a chair/stool back showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side elevation view thereof, the right side elevation view being a mirror image thereof;

FIG. 7 is a perspective view of a first alternate embodiment of a chair/stool back showing my new design;

FIG. 8 is a top plan view of the first alternate embodiment of a chair/stool back showing my new design;

FIG. 9 is a front elevation view of the first alternate embodiment of a chair/stool back showing my new design;

FIG. 10 is a rear view of the first alternate embodiment of a chair/stool back showing my new design;

FIG. 11 is a bottom view of the first alternate embodiment of a chair/stool back showing my new design;

FIG. 12 is a left side elevation view of the first alternate embodiment of a chair/stool back showing my new design, the right side elevation view being a mirror image thereof;

FIG. 13 is a perspective view of a second alternate embodiment of a chair/stool back showing my new design;

FIG. 14 is a top plan view of the second alternate embodiment of a chair/stool back showing my new design;

FIG. 15 is a front elevation view of the second alternate embodiment of a chair/stool back showing my new design;

FIG. 16 is a rear view of the second alternate embodiment of a chair/stool back showing my new design;

FIG. 17 is a bottom view of the second alternate embodiment of a chair/stool back showing my new design; and,

FIG. 18 is a left side elevation view of the second alternate embodiment of a chair/stool back showing my new design, the right side elevation view being a mirror image thereof.

The phantom lines in the Figures form no part of the claimed design. 

The ornamental design for a chair/stool back, as shown and described. 